312105556326164 has 12 divisors (see below), whose sum is σ = 546186222452724. Its totient is φ = 156052349911104.

The previous prime is 312105556326163. The next prime is 312105556326169. The reversal of 312105556326164 is 461623655501213.

It can be written as a sum of positive squares in 2 ways, for example, as 124696082227600 + 187409474098564 = 11166740^2 + 13689758^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312105556326163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105420419 + ... + 108340554.

It is an arithmetic number, because the mean of its divisors is an integer number (45515518537727).

Almost surely, 2^{312105556326164} is an apocalyptic number.

It is an amenable number.

312105556326164 is a deficient number, since it is larger than the sum of its proper divisors (234080666126560).

312105556326164 is a wasteful number, since it uses less digits than its factorization.

312105556326164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214125994 (or 214125992 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 312105556326164 in words is "three hundred twelve trillion, one hundred five billion, five hundred fifty-six million, three hundred twenty-six thousand, one hundred sixty-four".